<!--The content below is only a placeholder and can be replaced.-->
  <h1>
    Welcome to {{ title }}!
  </h1>
<nav>
  <a href="" [routerLink]="['/design']">设计</a>
  <a href="" [routerLink]="['/test']">测试</a>
  <a href="" [routerLink]="['/front']">前端</a>
  <a href="" [routerLink]="['/back']">后端</a>
</nav>


<router-outlet></router-outlet>
